+AT_CHECK([test-stp test-stp-ieee802.1d-2004-fig17.4], [0], [], [dnl
+stp|INFO|stp111: detected topology change.
+stp|INFO|stp111: detected topology change.
+stp|INFO|stp111: detected topology change.
+stp|INFO|stp111: detected topology change.
+stp|INFO|stp222: detected topology change.
+])